Home / 90,503,108.88-124,907,741.46-53,321,501.76

Finding the Fourth Proportional to 90,503,108.88, 124,907,741.46 and 53,321,501.76

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Solution

The fourth proportional to 90,503,108.88, 124,907,741.46 and 53,321,501.76 is: 73,591,597.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,503,108.88 : 124,907,741.46 = 53,321,501.76 : x
  2. Step 2: Convert to fraction form
    90,503,108.88/124,907,741.46 = 53,321,501.76/x
  3. Step 3: Cross multiply
    90,503,108.88x = 124,907,741.46 × 53,321,501.76
  4. Step 4: Simplify right side
    90,503,108.88x = 6,660,268,356,097,014
  5. Step 5: Solve for x
    x = 6,660,268,356,097,014/90,503,108.88
  6. Step 6: Final answer
    x = 73,591,597.44

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.